Fix build failure in coverity 15 workflow

.github/workflows/coverity.yaml

@@ -3,6 +3,7 @@ name: Coverity
   schedule:
     # run at 22:00 on every saturday
     - cron: '0 22 * * SAT'
+  pull_request:
   push:
     branches:
       - coverity_scan
@@ -15,7 +16,8 @@ jobs:
       fail-fast: false
       matrix:
         # run only on the 3 latest PG versions as we have rate limit on coverity
-        pg: [13, 14, 15]
+#        pg: [13, 14, 15]
+        pg: [15]
         os: [ubuntu-20.04]
     steps:
     - name: Install Dependencies
@@ -39,18 +41,18 @@ jobs:
 
     - name: Build TimescaleDB
       run: |
-        PATH="$GITHUB_WORKSPACE/coverity/bin:$PATH"
+        PATH="$GITHUB_WORKSPACE/coverity/bin:/usr/lib/postgresql/15/bin:$PATH"
         ./bootstrap -DCMAKE_BUILD_TYPE=Release
         cov-build --dir cov-int make -C build
 
-    - name: Upload report
-      env:
-        FORM_EMAIL: --form [email protected]
-        FORM_FILE: --form [email protected]
-        FORM_DESC: --form description="CI"
-        FORM_TOKEN: --form token="${{ secrets.COVERITY_TOKEN }}"
-        COVERITY_URL: https://scan.coverity.com/builds?project=timescale%2Ftimescaledb
-      run: |
-        tar czf timescaledb.tgz cov-int
-        curl $FORM_TOKEN $FORM_EMAIL $FORM_DESC $FORM_FILE \
-          --form version="$(grep '^version' version.config | cut -b11-)-${{ matrix.pg }}" $COVERITY_URL
+#    - name: Upload report
+#      env:
+#        FORM_EMAIL: --form [email protected]
+#        FORM_FILE: --form [email protected]
+#        FORM_DESC: --form description="CI"
+#        FORM_TOKEN: --form token="${{ secrets.COVERITY_TOKEN }}"
+#        COVERITY_URL: https://scan.coverity.com/builds?project=timescale%2Ftimescaledb
+#      run: |
+#        tar czf timescaledb.tgz cov-int
+#        curl $FORM_TOKEN $FORM_EMAIL $FORM_DESC $FORM_FILE \
+#          --form version="$(grep '^version' version.config | cut -b11-)-${{ matrix.pg }}" $COVERITY_URL